Compare CoCounsel vs. Concord

Thomson Reuters CoCounsel is a professional AI platform that assists legal, tax, accounting, and audit professionals with research, analysis, document drafting, and workflow automation. The platform combines generative AI and agentic capabilities with authoritative content from Thomson Reuters research and information services. CoCounsel Legal integrates with Westlaw and Practical Law to support legal research, contract analysis, litigation preparation, and document drafting. Its document analysis tools can review large collections of files, extract relevant information, identify issues, and provide citations linking findings to their original sources. Legal drafting capabilities help users generate agreements, correspondence, and other documents using existing precedents and organizational knowledge. CoCounsel Tax supports tax research, return analysis, regulatory interpretation, and preparation of client deliverables using Checkpoint and other trusted sources. CoCounsel Audit & Accounting assists with workpaper analysis, technical research, risk identification, and audit documentation. Agentic workflows enable the platform to plan and execute multistep assignments while supporting reusable templates, shared workspaces, and document-based collaboration. CoCounsel includes enterprise security and privacy controls and is designed to help professionals complete complex work while retaining the ability to review and verify AI-generated findings.

Concord Horizon is an AI native contract platform built from a complete rewrite of Concord’s technology, applying ten years of experience to a modern architecture for faster and more accurate contract work. The redesigned interface offers light and dark mode, collapsible navigation, full screen focus, custom columns, advanced filtering, and consistent tables across modules. AI Copilot supports natural language questions, contract summaries, key point extraction, and fast portfolio insights, while AI Search adds lexical and semantic search with improved performance and multi actions on results. MCP brings contract intelligence into AI tools like ChatGPT and Claude for summaries, tables, or automated monitoring. Concord applies a strict zero data retention policy with AI partners and never uses customer data to train AI models .